Understand calling in Microsoft Teams

In this training, we introduce calling capabilities in Teams, which are powered by the Phone System feature in Office 365. We’ll explain the technical planning that’s required to implement Phone System, how to configure it, and how to monitor usage and call quality in your implementation.

This training is for you if you're:

  • An IT pro.

  • Responsible for planning, deploying, or managing Teams.

  • Planning to introduce calling capabilities in your Teams deployment.

You’ll learn:

  • What is calling in Teams?

  • How to plan for calling in Teams.

  • How to configure calling in Teams.


Microsoft Teams is evolving on a regular basis—new features and functionality are added frequently. Please monitor the following resources to stay up-to-date:

If you have any questions or feedback about this training, please:

  • Post in the comments section at the bottom of the 'next steps' page of this tutorial

To give us product feedback about Teams, such as ideas for new features, please visit UserVoice.